Zobrazeno 1 - 10
of 1 176
pro vyhledávání: '"Broadband absorption"'
Autor:
Mengqiu Huang, Bangxin Li, Yuetong Qian, Lei Wang, Huibin Zhang, Chendi Yang, Longjun Rao, Gang Zhou, Chongyun Liang, Renchao Che
Publikováno v:
Nano-Micro Letters, Vol 16, Iss 1, Pp 1-15 (2024)
Highlights Metal–organic frameworks-derived CoNiM@C (M = Cu, Zn, Fe, Mn) microspheres were successfully fabricated with custom-built magnetic alloy-carbon heterogeneous interfaces. Flower-like CoNiMn@C microspheres achieve broadband electromagnetic
Externí odkaz:
https://doaj.org/article/9a54b838186f49fa9a16f64da3b32db6
Publikováno v:
Materials & Design, Vol 247, Iss , Pp 113451- (2024)
Transparent metasurface absorbers are highly sought after for their diverse applications, but achieving broad absorption bandwidths without sacrificing optical transparency remains a challenge. Traditionally, enhancing absorption involves increasing
Externí odkaz:
https://doaj.org/article/c679b7b2d3f54c0197e325588d56cc7a
Publikováno v:
Advanced Science, Vol 11, Iss 39, Pp n/a-n/a (2024)
Abstract Dewdrops, the droplets of water naturally occurring on leaves and carapaces of insects, are a fascinating phenomenon in nature. Here, a man‐made array of dewdrops with arbitrary shapes and arrangements, which can function as an electromagn
Externí odkaz:
https://doaj.org/article/1149f8c2135346dda549cbcf050e10bd
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
ABSTRACTElectromagnetic pollution and military stealth technique have raised tremendous interest in high-performance microwave-absorbing structures. However, an ultra-broadband absorbing functional structure is still in urgent demand. Herein, a novel
Externí odkaz:
https://doaj.org/article/06d58ac6982c48acb488742b4c671b28
Publikováno v:
Applied Sciences, Vol 14, Iss 20, p 9290 (2024)
In this paper, we proposed an ultra-thin composite metasurface for broadband sound absorption, in which a compound Helmholtz structure and porous materials are coupled in a parallel-series arrangement. The Helmholtz structure comprises multiple compo
Externí odkaz:
https://doaj.org/article/1d1bccd32f63489795ecdd52deca18c1
Publikováno v:
Nanomaterials, Vol 14, Iss 19, p 1552 (2024)
Recently, planar and broadband hot-electron photodetectors (HE PDs) were established but exhibited degraded performances due to the adoptions of the single-junction configurations and the utilizations of absorbable films with thicknesses larger than
Externí odkaz:
https://doaj.org/article/9eb470cc56fb400a8323e988d009348e
Publikováno v:
Nanophotonics, Vol 12, Iss 23, Pp 4319-4328 (2023)
Graphene aerogels have implied great potential for electromagnetic wave absorption. However, the investigation of their design for broadband absorption in the terahertz (THz) range remains insufficient. Here, we propose an anisotropic honeycomb stack
Externí odkaz:
https://doaj.org/article/67e647a804f149a5b7b6623cda277e07
Autor:
Wei Zou, Changqing Zhong, Lujun Hong, Jiangtao Lei, Yun Shen, Xiaohua Deng, Jing Chen, Tianjing Guo
Publikováno v:
Micromachines, Vol 15, Iss 8, p 967 (2024)
Based on the unique insulator-metal phase transition property of vanadium dioxide (VO2), we propose an integrated metasurface with a switchable mechanism between ultra-broadband absorption and polarization conversion, operating in the terahertz (THz)
Externí odkaz:
https://doaj.org/article/ef578a074f8e4659b3dc8ea1b538d063
Publikováno v:
Micromachines, Vol 15, Iss 8, p 980 (2024)
In this article, a miniaturized and highly stable frequency-selective rasorber (FSR) incorporating an embedded transmission window is designed. This FSR consists of a lossy layer loaded with resistors, an air layer, and a bandpass layer. The lossy la
Externí odkaz:
https://doaj.org/article/3a100f009c0e4d60bc4fb0be07d31ce0
Autor:
Peng Chen, Yingting Yi, Qianju Song, Zao Yi, Yougen Yi, Shubo Cheng, Jianguo Zhang, Chaojun Tang, Tangyou Sun, Qingdong Zeng
Publikováno v:
Photonics, Vol 11, Iss 7, p 604 (2024)
The main development direction for current solar technology is to improve absorption efficiency and stability. To bridge this gap, we design in this paper a structure consisting of two multilayer disc stacks of different radii, one topped by a TiO2 d
Externí odkaz:
https://doaj.org/article/484358bbd98a460eb7ed467ad682b13b